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    <title>Installing a License Key</title>
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    <p>
        Without a license key CrossTalk will run in &quot;evaluation mode&quot; and enforce 
        certain restrictions. After purchaing CrossTalk, you will receive a license key. 
        A license key consists of three parts:</p>
    <ol>
        <li>Registration name. This will be your name or your company name.</li>
        <li>Serial number</li>
        <li>Key String</li>
    </ol>
    <p>
        Each of these three items must be entered exactly. To install the license key 
        select the &quot;CrossTalk Source Code&quot; item in the CrossTalk program group. This 
        opens a directory containing some linkable CrossTalk source files. In this 
        directory you will find CTLicenseKey.inc. Open CTLicenseKey.inc in notepad or 
        some other text editor. The default contents are shown here:</p>
    <pre>// This file will contain your license key information if you have
// a license key.
//
// This unit must NOT be redistributed.
//

  xName := &#39;&#39;;
  xSerial := 0;
  xKey := &#39;&#39;; </pre>
    <p>
        Insert your registration name and key string into the string literals, and 
        change the xSerial value to your serial number. Save the file, and perform a 
        rebuild all on your CrossTalk applications.</p>

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